Exam-style question
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What is a disadvantage of using X-rays for imaging?.
- A.They are expensive.
- B.They provide low-resolution images.
- C.They expose patients to ionising radiation.
- D.They cannot be used for soft tissue.
Model answer
What a good answer should say
- They expose patients to ionising radiation.
Explanation
Why this works
A significant disadvantage of X-rays is that they expose patients to ionising radiation, which can pose health risks, especially with repeated exposure.
Common mistake
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